Model No.: YH-SAT-QTIV Product Description: Special Features: Computer-controlled inspection system available. Technical Parameters: 1. Test scope of DN : Flanged DN20~500mm. 2. Maximium Test Pressure: 32 MPa. 3. Accuracy: ±0.4%. 4. Input Test Medium: Nitrogen or clean compressed air (provided by the user). Design Features: Featured with high automation, this kind of test machine is widely used. Equipped with German-made air supercharger, thus can directly boost the middle pressure air to the high pressure air and can test kinds of safety valves with PS?¤32MPa; With automatic pressing structure and three kinds of test seats(large, medium & small), thus can test kinds of safety valves with test scope of DN?¤500mm. Easy to operate and fast. 1.Double precision pressure gauge display and Four-grade transfer structure. 2. Uniquely insert testing system can test PS